389240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 902880

約数和(自身を除く): 513640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 263, 296, 370, 526, 740, 1052, 1315, 1480, 2104, 2630, 5260, 9731, 10520, 19462, 38924, 48655, 77848, 97310, 194620, 389240]

約数ペア:

[(1, 389240), (2, 194620), (4, 97310), (5, 77848), (8, 48655), (10, 38924), (20, 19462), (37, 10520), (40, 9731), (74, 5260), (148, 2630), (185, 2104), (263, 1480), (296, 1315), (370, 1052), (526, 740)]